-11r=7-12r

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Solution for -11r=7-12r equation: 



-11r=7-12r

We move all terms to the left:

-11r-(7-12r)=0

We add all the numbers together, and all the variables

-11r-(-12r+7)=0

We get rid of parentheses

-11r+12r-7=0

We add all the numbers together, and all the variables

r-7=0

We move all terms containing r to the left, all other terms to the right

r=7

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